€1,980.00
Engineered to deliver exceptional starting power and weight reduction for high-performance vehicles, the OEM 12V 69Ah Lithium-ion Starter Battery (part number 61217857288) provides unmatched transient power and superior charge acceptance. Specifically optimized for modern performance chassis with intelligent energy recuperation systems.
The 12V 69Ah Lithium-ion Starter Battery (OEM reference 61217857288) represents a major advancement in high-output automotive energy storage. Developed specifically for cutting-edge sports sedans and track-focused performance platforms, this unit sheds more than 50% of the weight of a conventional Absorbent Glass Mat (AGM) battery while providing far superior energy density. Its internal lithium iron phosphate chemistry operates with extraordinarily low internal impedance, allowing full power transfer within milliseconds to drive high-compression starter motors under demanding conditions.
Cold-weather startability is reinforced through active internal charge management and thermal optimization. While traditional lead-acid chemistries experience rapid capacity decay and voltage drop at sub-zero temperatures, this lithium-ion unit maintains sustained plate-to-terminal voltage across extreme thermal thresholds. This stability ensures reliable starting power in freezing winter environments without excessive thermal dissipation or transient voltage drops that cause onboard module resets.
Cyclic life and mechanical durability far exceed ordinary automotive standards. Built with a shock-resistant casing and reinforced internal cell interlinks, this battery withstands prolonged chassis vibration and intense g-force loads typical of competitive track driving and performance road use. An internal, multi-parameter Battery Management System (BMS) continuously monitors cell voltage, balancing, and operating temperatures, safeguarding against over-discharge, parasitic draining, and over-current events during rapid alternator charging phases.
| Specification | Value |
|---|---|
| Part Number / SKU | 61217857288 / BMW61217857288 |
| Nominal Voltage | 12V |
| Nominal Capacity (20hr) | 69Ah |
| Cold Cranking Performance (CCA) | 770A (EN) |
| DIN Case Size | LN4 / H7 |
| Dimensions (L x W x H) | 315 mm x 175 mm x 190 mm |
| Polarity / Terminal Layout | Right Positive (Layout 0) |
| Terminal Type | Standard Conical Automotive (SAE) |
| Bottom Hold-Down | B13 |
| Technology | Lithium-ion (LiFePO4) with Integrated LIN-Bus BMS |
Modern performance platforms demand tremendous responsiveness from the primary electrical storage system. High-performance models, including the BMW F80 M3, F82/F83 M4, and related M-chassis variants, are calibrated exclusively for the high-efficiency electrical profile and LIN-bus diagnostic feedback of the 61217857288 lithium battery. Conventional lead-acid or AGM replacements cannot replicate the dynamic charge acceptance rates necessary for these vehicles’ intelligent alternator de-coupling and brake energy regeneration routines.
In micro-hybrid and intelligent Start-Stop applications, the battery endures tens of thousands of engine re-starts while simultaneously sustaining critical vehicle electronics, including adaptive dampers, dynamic stability control, electric power steering racks, and twin-turbo cooling pumps. The 69Ah lithium battery handles these rapid multi-cycle charge and discharge profiles without sulfation or accelerated degradation, delivering consistent cranking speeds and maintaining electrical network equilibrium.
When installing the 61217857288 battery, ensure the ignition is completely switched off and the vehicle’s electrical system has entered sleep mode before disconnecting the ground lead. Verify that the mounting tray, B13 hold-down brackets, and venting conduits are free of debris. Connect the positive terminal clamp first, followed by the negative ground cable, torquing both connections to factory specifications (typically 5 to 8 Nm) to eliminate contact resistance and heat buildup.
Because modern vehicle control units adapt their charging profiles to cell age and chemistry, this replacement lithium battery must be registered into the Engine Control Unit (DME/DDE) using diagnostic software (such as ISTA or an advanced scan tool). Registering the new unit resets the internal operating histogram and prevents the alternator from overcharging. Always use dedicated lithium-compatible battery chargers or maintainers; standard lead-acid desulfation cycles can irrevocably damage lithium control circuits.
Yes. It is fully engineered for micro-hybrid start-stop operations and fast regenerative braking cycles, handling frequent restarts without the thermal degradation or capacity loss common to lead-acid batteries.
No. Standard lead-acid chargers often include high-voltage desulfation pulses that exceed safe thresholds and can harm the internal BMS. Always use an automotive charger specifically rated for 12V LiFePO4/Lithium-ion batteries.
Yes. High-performance vehicles utilizing this lithium power pack require diagnostic registration via OBD-II to reset the charging algorithms within the Power Management System and record the battery replacement.
This lithium unit weighs approximately half as much as an equivalent AGM battery, delivers higher usable capacity under heavy loads, provides faster recharge acceptance, and offers up to three times longer cycle life under demanding driving conditions.
If the internal BMS initiates low-voltage protection, the terminal voltage may read near 0V. To wake the battery, connect a specialized lithium maintainer equipped with a dedicated BMS wake-up or jump-mode function.
| Weight | 6967131678 kg |
|---|---|
| Dimensions | 31.5 × 17.5 × 19 cm |
Verified technical specifications, vehicle compatibility, and maintenance answers.
Yes. It is fully engineered for micro-hybrid start-stop operations and fast regenerative braking cycles, handling frequent restarts without the thermal degradation or capacity loss common to lead-acid batteries.
